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Of 750 people surveyed, 330 were male and 640 had cell phones. Of those with cell phones, 390 were female. What is the probability that a person surveyed was either male or had a cell phone? a) 360/750 ≈ 0.48b) 580/750 ≈ 0.7733c) 700/750 ≈ 0.9333d) 720/750 ≈ 0.96
General
2 months ago
Find the area of the following polygonGiven: AC = 12, AD = 16
General
2 months ago
Find the area and circumference of each circle.Listed in the Item Bank are some important labels for sections of the image below. To find out more information about labels, some have more details available when you click on them. Drag and drop each label to the corresponding area it identifies in the image.I don't understand this question can someone please tell me the answer? I attached the picture. I will be giving 50 points for this question. Thank you!
General
2 months ago
Use the given transformation to evaluate the integral. (x ? 10y) dA, R where R is the triangular region with vertices (0, 0), (9, 1), and (1, 9). x = 9u + v, y = u + 9v
General
2 months ago
Before 1918, approximately 60% of the wolves in a region were male, and 40% were female. However, cattle ranchers in this area have made a determined effort to exterminate wolves. From 1918 to the present, approximately 70% of wolves in the region are male, and 30% are female. Biologists suspect that male wolves are more likely than females to return to an area where the population has been greatly reduced. (Round your answers to three decimal places.) (a) Before 1918, in a random sample of 12 wolves spotted in the region, what is the probability that 9 or more were male? What is the probability that 9 or more were female? What is the probability that fewer than 6 were female? (b) For the period from 1918 to the present, in a random sample of 12 wolves spotted in the region, what is the probability that 9 or more were male? What is the probability that 9 or more were female? What is the probability that fewer than 6 were female?
General
2 months ago
the equation of a circle in general form is x squared + y squared + 20x + 12 y + 15 equals 0what is the equation of the circle in standard form
General
2 months ago
Tyler simplified the expression. His procedure is shown below.
General
2 months ago
The ratio of boys to girls in Ella's grade is 3/4 the ratio of boys to girls in minhs grade is 4 to 5 each grade has a total of 20 girls how many boys are in each grade
General
2 months ago
Tori examined the pattern of exponents in the table.
General
2 months ago
Helaine graphed the equation 12x – 4y = 3. What was the slope of Helaine’s line?\",[{""content"":""<p><strong>Answer:<\/strong><\/p><p>[tex]\\large\\boxed{\\text{The slope}\\ m=3}[\/tex]<\/p><p><strong>Step-by-step explanation:<\/strong><\/p><p>The slope-intercept form of an equation of a line:<\/p><p>[tex]y=mx+b[\/tex]<\/p><p>m - slope<\/p><p>b - y-intercept<\/p><p>We have the equation of a line in the standard form:<\/p><p>[tex]12x-4y=3[\/tex]<\/p><p>Convert to the slope-intercept form:<\/p><p>[tex]12x-4y=3[\/tex] \u00a0 \u00a0 \u00a0 \u00a0 <em>subtract 12x from both sides<\/em><\/p><p>[tex]-4y=-12x+3[\/tex] \u00a0 \u00a0 \u00a0 \u00a0<em>divide both sides by (-4)<\/em><\/p><p>[tex]y=\\dfrac{-12}{-4}x+\\dfrac{3}{-4}\\\\\\\\y=3x-\\dfrac{3}{4}[\/tex]<\/p>""}
General
2 months ago
Problem 3.2.14aShow that 2^2x+1 +1 is divisible by 3.
General
2 months ago
The population of a town with a 2016 population of 66,000 grows at a rate of 2.5% per year a. Find the rate constant k and use it to devise an exponential growth function that fits the given data b. In what year will the population reach 176.000? Book a. Find the rate constant k k= (Type an exact answer) tents ccess Library Resources
General
2 months ago
Prove by induction that 3n(n 1) is divisible by 6 for all positive integers.
General
2 months ago
Which statement accurately describes how to reflect point A (−2, 1) over the x‐axis? Construct a line from A perpendicular to the x-axis, determine the distance from A to the x-axis along this perpendicular line, find a new point on the other side of the x-axis that is equidistant from the x-axis. Construct a line from A parallel to the x-axis, determine the distance from A to the x-axis along this parallel line, find a new point on the other side of the x-axis that is equidistant from the x-axis. Construct a line from A perpendicular to the y-axis, determine the distance from A to the y-axis along this perpendicular line, find a new point on the other side of the y-axis that is equidistant from the y-axis. To reflect A over the x-axis you must find the intersection of a line perpendicular to the x-axis through point A, that will act as a bisector. This option is incorrect.#^ Construct a line from A parallel to the y-axis, determine the distance from A to the y-axis along this parallel line, find a new point on the other side of the y-axis that is equidistant from the y-axis.
General
2 months ago
Prove that if a is equivalent to 5 mod (8) and b is equivalent to 3 mod (8), then 8 divides ab+1
General
2 months ago
Gray looks up the definition of point. A point is a location in a region. What is true about the statement describing the word point?
General
2 months ago
Questions (no partial grades if you don't show your work) 1. In a group of 6 boys and 4 girls, four children are to be selected. In how many diffeest weys ces they be selected if at least one boy must be there
General
2 months ago
QUESTION 20 5.0 Calculate the standard deviation for the following set of numbers: 73, 76, 79, 82, 84, 84, 97
General
2 months ago
Jovian decided to collect data to determine if students' heights and their shoe sizes are correlated. He determined the data to have a correlation coefficient of 0.98. What does this r value indicate? No correlation A strong, positive correlation A weak, positive correlation A negative correlation
General
2 months ago
Andrea has a jug containing 1.5 liters of chocolate milk. She fills one cup with 250 milliliters and another cup with 0.6 liters. How much chocolate milk is left in the jug in milliliters? 0.65 milliliters 249.1 milliliters 450 milliliters 650 milliliters
General
2 months ago
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